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Finding the Fourth Proportional to 224,637.75, 310,012.71 and 122,672.69

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Solution

The fourth proportional to 224,637.75, 310,012.71 and 122,672.69 is: 169,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,637.75 : 310,012.71 = 122,672.69 : x
  2. Step 2: Convert to fraction form
    224,637.75/310,012.71 = 122,672.69/x
  3. Step 3: Cross multiply
    224,637.75x = 310,012.71 × 122,672.69
  4. Step 4: Simplify right side
    224,637.75x = 38,030,091,519.83
  5. Step 5: Solve for x
    x = 38,030,091,519.83/224,637.75
  6. Step 6: Final answer
    x = 169,295.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.